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Comparison of local recurrence rate for the main tumour in the radiofrequency thermal ablation (RFTA), percutaneous ethanol injection (PEI), and percutaneous acetic acid injection (PAI) groups. Local recurrence rate was significantly lower in the RFTA group compared with the two other groups (RFTA v PEI, p = 0.012; RFTA v PAI, p = 0.017). Differences between the three groups were significant (p = 0.015).
